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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

To much power

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Old May 28, 2015 | 09:45 AM
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Dean6586
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To much power

So like I've said before I just bought a 1965 f100 it's relativly stock except for the engine, vin says it should be a 6 cyl, from what I was told and can see it has been replaced with v8 I'm told a 390. Not sure how to tell exactly unless you measure the cylinders. It appears that it still has the stock 3 speed column shift tranny, is that to much power for it. As long as the engine remains stock with no performance parts. I also have to get the RPM's up real high to get the thing to move. Idels fine just doesn't hold power to move unless the RPM's are up more so than normal driving and if I slowly apply power it stumbles and sometimes dies. It's been a long time sense I've worked on automotive stuff thanks to the military. Just looking for ideas on what deriction I should go, I plan in rebuilding the carb any other places to check would be great advice, it has a brand new cap rotor points and condenser as well
 
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Old May 28, 2015 | 12:09 PM
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NumberDummy
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The problem has nothing to do with too much power, your clutch is slipping and/or...

Bogging down, hesitating, stumbling from a dead stop or when accelerating at speed is indicative of a defective accelerator pump and check valve.

The Auto-Lite 2100 2V series carb that was installed in 1962/74 FoMoCo vehicles, was notorious for having these two parts fail.
 
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